These new bolts are heat treated and harden to ensure superior strength for extreme and normal riding conditions. They are also zinc plating to help fight harsh weather conditions. There is also one last step the stem bolts go through and that’s the Powder Coating process which is our “Super Bake” process which helps prevent paint chipping when installing your stem bolts. Now go ride your bikes and have some fun. Hollow Metric Bolts come with a 11mm head and 8mm thread pitch which allow them to works with virtually every metric stem on the market.
Hollow Metric Bolt Spec: 11mm head diameter, 25mm thread length